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DR. CATHERINE ANN GRUFFI M.D.
NPI 1699092536
Anesthesiology in Valhalla, NY

Active since May 03, 2010PECOS EnrolledAccepts Medicare Assignment
100 WOODS RD, VALHALLA, NY 10595(914) 493-7000(914) 493-7927 Get Directions Write a Review

NPPES record last updated: November 2, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Catherine Ann Gruffi M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CATHERINE ANN GRUFFI M.D. (NPI 1699092536) is an individual anesthesiology provider in Valhalla, New York, licensed in New York (302437) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS, is affiliated with Westchester Medical Center, and is a graduate of State University Of Ny Upstate Medical University (2010).

NPPES Registry Identity

NPI1699092536
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. CATHERINE ANN GRUFFICredential: M.D.
Location Address100 WOODS RDValhalla, NY 10595-1530
Mailing Address19 Bradhurst Ave Ste 3100nHawthorne, NY 10532-2140 · (914) 909-0187 · Fax (914) 909-9028
Phone(914) 493-7000
Fax(914) 493-7927
Sole ProprietorNo
Medical School CMSState University Of Ny Upstate Medical UniversityGraduated 2010
Enumeration DateMay 3, 2010
Last NPPES UpdateNovember 2, 2020
NPPES CertifiedNovember 2, 2020
✔ NPI 1699092536 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NY · 302437
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
100 WOODS RD, Valhalla, NY 10595
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Catherine Ann Gruffi M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID244546935
PECOS Enrollment IDI20200402002347
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Catherine Gruffi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Westchester Medical Center Advanced Physician Services PC
Same address
Anesthesiology
100 WOODS RD, TAYLOR PAVILION - ROOM M229
Valhalla, NY 10595
  • Reassigned Medicare billing, New York enrollment
  • 1,663 clinicians in this Medicare group
NPI 1740687458 (914) 493-2844
Trustees Of Columbia University In The City Of New York
18 mi
Surgery
622 W 168TH ST
New York, NY 10032
  • Reassigned Medicare billing, New York enrollment
  • 3,922 clinicians in this Medicare group
NPI 1508266347 (646) 317-7111

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Westchester Medical Center

Acute Care Hospitals · Valhalla, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330234
Location100 Woods RdValhalla, NY 10595 · Westchester County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. LISA ANN SAUER N.P.
Nurse Practitioner (Neonatal, Critical Care)
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
KAREN FRANCOIS MD
Anesthesiology
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
KIMBERLY WILSON R.D.
Dietitian, Registered
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7664
RADHIKA VOLETI M.D
Internal Medicine
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
FAREENA NAWAZ MD
Internal Medicine
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
AUSTIN B CARPENTER
Student in an Organized Health Care Education/Training Program
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-8795
AMRO AGLAN MD
Student in an Organized Health Care Education/Training Program
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
HAO WANG MD, PHD
Student in an Organized Health Care Education/Training Program
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-6613

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Catherine Gruffi's NPI number?

The NPI number for Catherine Gruffi is 1699092536. It was assigned to this individual provider in the NPPES registry on May 3, 2010.

Where is Catherine Gruffi located?

Catherine Gruffi practices at 100 Woods Rd, Valhalla, NY 10595. The listed phone number is (914) 493-7000.

What is Catherine Gruffi's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Catherine Gruffi enrolled in Medicare?

Yes. Catherine Gruffi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Catherine Gruffi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Gruffi reassigns Medicare benefits to 2 organizations: Westchester Medical Center Advanced Physician Services PC (Valhalla, NY) and Trustees Of Columbia University In The City Of New York (New York, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Catherine Gruffi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Catherine Gruffi affiliated with any hospitals?

According to CMS data, Catherine Gruffi is affiliated with Westchester Medical Center.

When was this NPI record last updated?

The NPPES record for Catherine Gruffi was last updated on November 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.